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Lelechka [254]
3 years ago
12

Find x value

%20%3D%200" id="TexFormula1" title=" {x}^{3} + {x}^{2} + 8x + 12 = 0" alt=" {x}^{3} + {x}^{2} + 8x + 12 = 0" align="absmiddle" class="latex-formula">
?? ​
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0
<h2><em>step </em><em>-</em><em>1</em><em> </em></h2>

<em>Changes made to your input should not affect the solution:</em>

<em>Changes made to your input should not affect the solution: (1): "x2" was replaced by "x^2". 1 more similar replacement(s).</em>

<em>x3+x2-8x-12 is not a perfect </em><em>cube</em>

<em>Factoring: x3+x2-8x-12 </em>

<em>Thoughtfully split the expression at hand into groups, each group having two terms :</em>

<em>Thoughtfully split the expression at hand into groups, each group having two terms :Group 1: x3+x2 </em>

<em>Thoughtfully split the expression at hand into groups, each group having two terms :Group 1: x3+x2 Group 2: -8x-12 </em>

<em>Thoughtfully split the expression at hand into groups, each group having two terms :Group 1: x3+x2 Group 2: -8x-12 Pull out from each group separately :</em>

<em>Thoughtfully split the expression at hand into groups, each group having two terms :Group 1: x3+x2 Group 2: -8x-12 Pull out from each group separately :Group 1: (x+1) • (x2)</em>

<em>Thoughtfully split the expression at hand into groups, each group having two terms :Group 1: x3+x2 Group 2: -8x-12 Pull out from each group separately :Group 1: (x+1) • (x2)Group 2: (2x+3) • (-4)</em>

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A right angle is neither Obtuse nor Acute

Step-by-step explanation:

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2 years ago
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K-mart buys lego solar systems for $165 and marks them up 3/5 of the price. How much do they sell for?
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They would sell, for 99 dollars.
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3 years ago
You pay $7.80 for 6 pounds of apples. Find the price per pound.
Morgarella [4.7K]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>$1.30</em>

<em></em>

▹ Step-by-Step Explanation

To find the price per pound, you have to divide the total amount of money by the amount of pounds:

$7.80/6 lbs = $1.30

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8 0
3 years ago
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You are making a welding fixture and must cut down a length of copper tubbing from 15 1/8 inches to 8 3/4 inches. If the leftove
fgiga [73]

Answer: 51/8 inches

Step-by-step explanation:

Since you must cut down the length of copper tubbing from 15 1/8 inches to 8 3/4 inches, the leftover piece will be:

15 1/8 - 8 3/4

Change the mixed fraction to improper fraction.

121/8 - 35/4

The LCM will be 8

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51/8 or 6.375 inches

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7 0
3 years ago
Can someone help with this problem please.
Solnce55 [7]

The area of the shaded triangle formed as the result of the overlap is = 62.35 inches ²

<h3>Calculation of the equilateral triangle</h3>

After folding the rectangle with length of 12 inches and width of 18 inches, an equilateral triangle was formed.

An equilateral triangle is a type of triangle where by all the three sides are equal.

To determine the value of one of the sides, CB or CD is used because the folding didn't affect these sides.

Using the formula for the area of an equilateral triangle,

A = √¾ a²

a= 12 inches

A = √¾ ×12²

A = 62.35 inches ²

Learn more about triangle here:

brainly.com/question/1058720

#SPJ1

3 0
2 years ago
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